Ampac MAN 3038, Product Manual

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8
MAN3038-2
DISCOVERY PRODUCT GUIDE
Mode
Smoke
Sensitivity
(grey smoke)
%/m dB/m
Temperature
Sensitivity
Response
Type
Minimum
Time to Alarm
(seconds)
1 1.1 0.05
>15°C
Increase
Multisensor 20
2 2.1 0.09
Not set to heat
response
Optical 30
3 2.8 0.12
>21°C
Increase
Multisensor 20
4 4.2 0.19
>15°C
Increase
Multisensor 20
5
No response to
smoke
Refer Mode 5
below
Heat A1R 15
Table 2 – Multisensor Detector Operating Modes
Characteristics of the response modes
The processing algorithms in modes 1 to 4 incorporate drift compensation.
The characteristics of the five response modes are summarised below.
Mode 1
has very high smoke sensitivity combined with high heat sensitivity. This gives a high overall
sensitivity to both smouldering and flaming fires.
Mode 2
has a smoke sensitivity similar to that of a normal optical smoke detector. This mode is therefore
equivalent to a standard optical detector. It is suitable for applications in which wide temperature changes
occur under normal conditions.
Mode 3
has moderate smoke sensitivity combined with a moderate sensitivity to heat. This combination is
considered the optimum for most general applications since it offers good response to both smouldering and
flaming fires.
Mode 4
has lower than normal smoke sensitivity combined with high heat sensitivity. This makes it suitable
for applications in which a certain amount of fumes or smoke is considered normal.
Mode 5
has no smoke sensitivity at all, but gives a pure heat detector response meeting the response time
requirements for a Class A1R detector in the European standard EN54–5:2000. In this mode the detector will
respond to slowly changing temperatures and has a “fixed temperature” alarm threshold at 58°C. The
analogue value in this mode will give the approximate air temperature over the range 15°C to 55°C.
In mode 5, the smoke sensor is still active though it does not contribute to the analogue signal. As a
consequence, if the detector is used in a dirty or smoky environment the optical sensor drift flag may be
activated in the heat-only mode.
Notes
•
This applies only to panels which have been programmed to read the additional information.
•
In situ testing of the Multisensor detector should be carried out as for smoke detectors in response
mode 2 and for heat detectors in response mode 5. Both optical and heat sensors must be tested in
modes 1,3 and 4.
•
If the Multisensor is to be used in mode 5, heat detector spacing/coverage should be applied.
6.2 Product Codes
Product Description EN54-5 & 7 (CEA4021) AS7240-15 AS1603-1 & 2
Discovery Multisensor Detector 58000-700AMP 4106-2008
201-0094
(58000-730)